Bottle vending machine



Jan. 14, 1958 o. 1.. STUMBAUGH 2,8 9,

BOTTLE VENDING MACHINE Filed July 27, 1954 5 Sheets-Sheet 1 Fig.1

IN VEN TOR. OWEN L. Sn'umemusu ATTO Q N EfS 5 Sheets-Sheet 2 O. L. STUMBAUGH BOTTLE VENDING MACHINE Jan. 14, 1958 Filed July 27, 1954 rlwu.

INVENTOR.

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5 Sheets-Sheet 4 INVENTOR. OWEN L 1 UMBAUGH A TOQHEY-S 1958 o. L. STUMBAUGH 1 BOTTLE VENDING MACHINE Filed July 27, 1954 5 Sheets-Sheet 5 38 IN VEN TOR. Owen 'LS-ruMaAuaH ATTORNEYS United States Patent BOTTLE VENDHQG MACHINE Owen L. Stumbaugh, Charlestown, W. Va., assignor to Victor Products Corporation, Hagerstown, Md., a corporation of Maryland Application July 27, 1954, Serial No. 445,980

Claims. (Cl. 221-92) This invention relates to a bottle vending machine and has for its primary object to enable a customer upon the deposit of a coin in the machine to select a bottle and extract it from the machine.

Another object is to block out the possibility of extraction of more than one bottle from the machine upon the deposit of but a single coin in the machine.

A further object is to suspend the bottles in vertically spaced banks and to enable different beverages to be contained in different bottles in different banks so that the purchaser may have a selection from which to extract a single bottle.

A still further object is to lock the bottles in the other banks during the extraction of a single bottle from one of the banks.

The above and other objects may be attained by employing this invention which embodies among its features spaced guides defining ways along which move the bottles stored in the machine, a row of bolts carried by the guides for movement transversely thereof and projection into the ways to define stops between which must pass the bottles as they are extracted from the machine, and coin released means carried by the machine and engaging a bolt in the row of bolts for holding said bolts projected into the ways.

Other features include spaced rows of bolts carried by the guides for movement transversely thereof and projection into the ways to define stops through which must pass the bottles as they are extracted from the machine, means carried by the machine adjacent opposite ends of the rows of bolts and operatively engaging the endmost bolts in the rows of bolts for holding projected the bolts in one row of bolts during the passage of the bottle between adjacent bolts in the opposite row of bolts, and coin released means carried by the machine and engaging a bolt in one row of bolts for holding said bolts projected into the ways.

Still other features include vertically spaced banks of horizontally spaced guides defining ways along which move bottles stored in the machine, horizontally spaced rows of bolts carried by the guides for movement transversely thereof and projection into the ways to define stops between which must pass the bottles as they are extracted from the machine, rock arms carried by the guides adjacent opposite ends of the rows of bolts for engaging the endmost bolts in adjacent rows of bolts and holding projected into the ways the bolts in one row of bolts during the passage of a bottle between adjacent bolts in the other row of bolts, coin released means carried by the machine and engaging the endmost bolts of vertically spaced rows of bolts for holding said bolts projected and blocking the ways, and bolt operated means carried by the guides and extending between vertically spaced banks of guides which upon withdrawal of a bottle from a selected way is engaged by a bolt in the row of bolts extending across the selected way and moved thereby into locking engagement with a bolt in the other vertically spaced rows of bolts.

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Still other features include thimbles threadedly engaged with push rods carried by the guides for vertical movement into and out of the openings in selected vertically spaced bolts, and cam surfaces on the thimbles for engaging the bolts and moving the thimbles into locking engagement with the rows of bolts other than that from which a bottle is being extracted.

In the drawings:

Figure 1 is a perspective view of a bottle vending machine embodying the features of this invention, showing a portion of the outer case thereof broken away more clearly to illustrate certain details of construction;

Figure 2 is an enlarged front view of the bottle supporting frame, certain portions thereof being broken away more clearly to illustrate certain details of construction;

Figure 3 is a sectional view taken substantially on the line 33 of Figure 2;

Figure 4 is an enlarged vertical sectional view taken substantially on the line 4-4 of Figure 3;

Figure 5 is a figure similar to Figure 4, showing the parts in another position;

Figure 6 is a fragmentary horizontal sectional view on a slightly enlarged scale taken substantially on the line 6-6 of Figure 2;

Figure 7 is an enlarged fragmentary sectional view taken substantially on the line 7-7 of Figure 2;

Figure 8 is an enlarged fragmentary sectional view taken substantially on the line 8-8 of Figure 2;

Figure 9 is a fragmentary view similar to Figure 8, showing the bottle supported adjacent the left hand end of Figure 9 about to be extracted from the machine;

Figure 10 is a view similar to Figure 9, showing the bottle midway between opposite side edges of the inner row of bolts and illustrating the manner in which the bottles remaining in the machine are locked to prevent extraction of a bottle during the movement of the first bottle from the machine;

Figure 11 is a view similar to Figure 10, showing another position of the bottle as it is extracted between the outermost row of bolts and illustrating the manner in which the innermost row of bolts are locked during the extraction of the bottle.

Figure 12 is a view showing the bottle fully extracted from the machine and the positions of the bolts after such extraction;

Figure 13 is a fragmentary perspective view of a modified form of the invention; and

Figure 14 is a fragmentary perspective view of a further modified form of the invention.

Referring to the drawings in detail, a refrigerator designated generally It) is provided with an access opening 12 separated by stops 14 into a group of vertically spaced openings which are closed by vertically spaced doors 16 which, as illustrated in the drawings, are adapted to swing upwardly to render accessible the bottles in selected banks of supports to be more fully hereinafter described.

Fitted within the refrigerator it is a frame designated generally 13 comprising side panels 20 carrying adjacent opposite vertical side edges outwardly extending spacing flanges 22 which permit the circulation of cool air about the frame 18 adjacent opposite sides of the refrigerator and through circulating ports 24 which extend through the side panels 20, as will be readily understood upon reference to Figure l. Carried by the side panels and extending therebetween are vertically spaced pairs of supporting channels 26, 28 and 39, are carried by the respective channels 26, 23 and 3b are banks designated gen-v erally 32, 34 and 36 of spaced parallel guides 38 defining between them ways 40 through which are adapted to move the necks N of bottles B, as illustrated in Figure 3. The ways are suspended below the channels.26, 28 and 30 on Z-bars 42. Carried by the guides 38 adjacent the opening 12 in the refrigerator cabinet and depending from the undersides of said guides 38 are guide plates 44 having longitudinally spaced transversely extending guide chan nels '46 and 48 extending therethrough which open upwardly through the tops of the guide plates id to define with the undersides of the guides 38 guide passages in which are mounted for sliding movement spaced rows of bolts 50 and 52.

As illustrated in Figure .3, the Z-bars 42project beyond the front edges of the side walls 26 and carried by the Z-bars are channels 54 having openings 68 extending there'through which align with the passages 49 to vpermit the extraction of bottles B from selected passages through the doors 16 of the refrigerator.

The topmost flanges of the channels 54 define platforms having vertically aligned slots 62 extending therethrough which align with the longitudinal axes of the inner rows of bolts carried by the guide ,plates -44, and mounted for vertical sliding movement through the openings 62 is a locking bar 64 which is of a width to completely fill the guide slots 62 and engage the endmost bolt 50' in the row of bolts 50. As illustrated inFigures 4 and 5, the bar 64 is provided in its edge adjacent the rows of bolts 50 with vertically spaced recesses 66 which, when the bar 64 is elevated, align with the innermost rows 59 of bolts in the banks 32, 34 and 36. it will thus be seen that the bolts which align with the recesses 66 may be moved longitudinally in their rows to permit the extraction of a bottle from its way in a selected bank of ways. A laterally extending arm 68 is carried by the locking bar 64 and projects laterally therefrom adjacent the lower end thereof and carries a downwardly extending armature 70 of va solenoid coil '22, which is supported on a suitable bracket 73 carried by the flange 22 adjacent the lower end thereof.

.As illustrated in Figure 4, the armature '79 projects downwardly below the solenoid coil 72 and serves as a weight to cause the locking bar 64 to move downwardly under the influence of gravity and hold the recesses 66 out of alignment with the endrnost bolts in the rows of bolts Stiso as to normally hold the machine locked. Upon energization of the solenoid coil 72, however, the arma ture 70 will move upwardly to shift the locking bar 64 upwardly and move the recesses 66 into alignment with the vertically spaced rows of bolts 50. Thus, it will be seen that the rows of bolts 56 may be movedto release a selected bottle from the machine.

In order to prevent more than one bottle from being extracted at a time, from any bank of bottles, rock arms 74 and 76 are pivotally connected at 78 and 80, respectively, onto the bottornrnost flanges of the channels 54 with their opposite ends disposed in the paths of movement of the rows of bolts Si and 52 and during the period that a bottle neck end is being extracted between adjacent ends of bolts 50, the rock arms 74 and 76 will engage the outer ends of the endmost bolts 50', 50" and 52' and 52" in the rows of bolts to hold the row of bolts 52 against longitudinal movement during the time that a bottle neck is passing between adjacent bolts 50 in the inner row of bolts. Likewise, the rock arms serve to lock the bolts 59 in the inner row of bolts against longitudinal movement during the period that the bottle neck is passing between adjacent ends of a pair of bolts 52 in the outer row of bolts. In this way, only a single bottle may be extracted through any way 40 in. any one bank of guides 38.

Extending through the vertically spaced banks 34 and 36 of guides 38 are vertically aligned openings 82, and carried by the guides 38 through which the openings 82 extend .in surrounding relation to said openings are upwardly extending guide .blocks 84, and extending'through the :guide plates 44 carried by the .banks 32 and '34 of guides 38 are openings 86. A push rod 88 extends between the banks 34 and '36 of guides 38 in axial :alignment with the openings 82 and 86 and a similar rod 90 extends between the banks 32 and 34 in axial alignment with the openings 82 and 86. Threadedly engaged with the lower end of the push rod 88 is a thimble 92 which, as indicated in Figure 4, projects through an opening 82 and extends into an opening 94 formed in the endmost bolt 50' of the lowermost bank 36 of guides. A similar thimble 96 is threadedly engaged with the upper end of the rod 88 and extends into the opening 86 in the guide plate 44 carried by the underside of the bank of guides 34, and seated on the upper end of the thimble 96 is a similar thimble 93 which is threadedly engaged with the lower end of the push rod Ni and extends through the opening 82 in the endmost guide 38 of the bank of guides 34. A similar thimble 100 is threadc-dly engaged with the upper end of the push rod 90 and is slidably mounted in the opening 86 of the guide plate 44 carried by the underside of the endmost guide 38 in the upper bank of guides 32. it will thus be seen that when the push rod 88 moves upwardly, the thimbles 96 and 106 will move upwardly through the aligned openings 82 in the endmost guides 38 of the banks of guides 32, 34 and 36. Carried by the ends ofthe thimbles 92, 96, @S and remote from their respective push rods 88 and 90 are comically inclined surfaces 102 which are adapted to be engaged by the walls of the openings 94 in the .endmost bolts 56' in the vertically spaced rows of bolts so that as a bolt 50' is shifted longitudinally into a recess 66 of the locking rod 64 upward movement will be imparted to the push rods 88 and 90 to project the uppermost thimbles carried by said push rods into the path of movement of the endmost bolts in the other banks to lock said bolts against endwise movement during the extraction of a bottle from a selected way.

The adjacent ends of adjacent bolts in the preferred form of the invention are provided with oppositely inclined cam edges '104and 106 and the rows of bolts are spaced from one another a distance to enable .a bottle neck N to be accommodated between the adjacent inclined edges 104 and 106 of adjacent aligned bolts 50 and '52. Suitable retractile coil springs 108 are connected at one end to the endmost plates 44 adjacent one end of the machine and are connected to their respective adjacent bolts 52' and at the opposite end of the machine to their respective adjacent bolts 50". It will thus be seenlthat the bolts in the respective rows of bolts will be yieldingly projected into the ways despite the fact that the endmost bolt 58 may be disengaged from the adjacent rock arm 74 To elevate the locking bar the solenoid coil 72 is energized causing the armature 7'6 :to move upwardly .and elevate .the locking bar 6% to a position in which the recesses 66 are in register with the respective rows of bolts in the vertically separated banks of guides 38. This enables the end-most bolt 59 of the innermost rows of each :bank to enter :the adjacent recess 66 and permit adjacent belts .in their respective ways to move from the projected position to a retracted position responsive to the withdrawal of :a bottleneck therebetween. Deenergization of the solenoid coil '72 permits the armature 70 to descend by gravity :and shift the :locking bar :64 downwardly to the normal position of engaging the endmost bolt 50' of the innermost rows of each bank.

In the modified form of the invention illustrated in Figure 13., spaced guides 38' define .between them ways 40 through which pass :the necks of bottles upon their extraction from the machine, and slidably mounted in suitable guide blocks 44' are horizontally spaced rows of bolts 50a and 52a, respectively, carrying adjacent opposite ends inclined guide edges 12.5) dcfiningcam .surfaces whichiengage the neck ofia bottle being extracted from away 405. it is1to be noted that the cam faces ,incline only in onevdirection so as to prevent the insertion of abottle through the way from the front of the machine.

In the further modification of theinventioniillustrated in Figure- 14, horizontally spaced guides 122 define be tween them ways 124 corresponding to the ways 40, previously referred to, and carried by the guides 122 adjacent one side of the machine are curved guides 126 which are concentric about a common axis midway between one of the guides 122 so as to form a way 128 of arcuate formation which joins adjacent ways 124, as will be readily understood upon reference to Figure 14. Carried by the guides 122 remote from the guides 126 are guide brackets or plates 130 in which are mounted for longitudinal sliding movement spaced parallel rows of bolts 132 and 134 having beveled faces 136 defining cams engageable by bottles moving through the ways to shift the bolts longitudinally in their respective rows.

In operation, it will be evident that upon energizing the solenoid coil 72 this causes the armature 7b to move upwardly and lift or elevate the locking bar 64 so that the recesses 66 therein will register with the end-most bolt 50' carried by the vertically spaced banks of guides 38. In this way, upon advance of a selected bottle through a selected way 40 toward the front of the machine, the bottle will engage the bolts 55) in the innermost row of bolts to cause them to shift longitudinally against the effort of the spring 108 and into a recess 66 substantially as illustrated in Figure 10 so that the neck of the bottle will pass between adjacent ends of the bolts 50 in the innermost row of bolts. Simultaneously, with the shifting of the bolts longitudinally, the rock arms 74 and 76 will be moved to lock the bolts 52 in the forward row of bolts and at the same time shift the bolts in the row of bolts 50 so as to block the other ways 40 and prevent the extraction of a second bottle from the machine. As the bottle being extracted is moved through its respective way 40 it encounters the beveled cam surfaces on the row of bolts 52 to cause them to be shifted longitudinally and block the ways other than the one through which the bottle is being extracted. Simultane ously, with the movement of the bolts 52 under the influence of the bottle neck, the rock arms 74 and 76 will engage the endmost bolts 50 and 59" in the row of bolts b to lock these bolts against longitudinal movement so as to prevent the extraction of a second bottle from the machine.

Assuming that a bottle is to be extracted from a way 40 defined between the guides 33 of the lowermost bank of guides 36, the neck of the bottle will engage the bolts in the row of bolts 59 so as to move the bolt 50' longitudinally into a recess 66 and simultaneously cause the wall of the opening 94 therein to engage the cam surface 192 on the lowermost thimble 92 and thus elevate the push rod 38 so as to cause the thimble 96 to enter the opening 9 in the endmost bolt carried by the guide 38 in the bank of guides 34 so as to lock the row of bolts 50 in said bank against longitudinal movement and thus prevent a bottle from being extracted from the ways defined between the bank 34 of the guides 38. Likewise, upward movement will be exerted on the push rod 90 to cause the thimble 160 to enter the opening 94 in the topmost bolt 50 and hence lock the topmost row of bolts 50 against longitudinal movement. Should a bottle be selected from the ways 38 in the bank of ways 34, the bolts 50 therein will be shifted longitudinally when engaged by the bottle neck so as to move the endmost bolt 50 into a notch 66 in the locking bar 64 and simultaneously cause the wall of the opening 94 therein to engage the cam face on the underside of the thimble 98 to lift the push rod 90 and cause the thimble 104 to engage the wall of the opening 94 in the uppermost bolt 59' to thereby lock the row of bolts 50 in the uppermost bank. Simultaneously, with the movement of the bolt 5'6 in the intermediate bank across the upper end of the thimble 96, upward movement of the push rod or locking rod 33 will be prevented so as to lock the bolt 50 and the row of bolts carried by the guides 33 of the lowermost bank of guides 36 against movement so as to pre- '6 vent the extraction of a bottle from the lowermost bank of guides while the bottle is being extracted from the intermediate bank of guides.

In this way, but a single bottle can be extracted from the machine upon the deposit of a single coin therein and hence the vendor of the product is being protected while at the same time presenting to the public a selection of bottled goods in a Single machine. It is obvious that different types of drinks may be dispensed from the single machine simply by loading different ways with bottles containing different products.

While in the foregoing there has been shown and described the preferred embodiment of this invention, it is to be understood that minor changes in the details of construction, combination and arrangement of parts may be resorted to without departing from the spirit and scope of the invention as claimed.

What is claimed is:

1. In a bottle vending machine parallel guides defining therebetween ways along which move bottles, spaced rows of abutting bolts carried by the guides for movement transversely thereof and projection into the ways to define stops between which must pass the bottles as they are extracted from between the guides, means carried by the guides adjacent opposite ends of the rows of bolts and operatively engaging the endmost bolts in the rows of bolts for holding projected the bolts in one row of bolts during the passage of a bottle between adjacent bolts in the adjacent row of bolts, and releasable means carried by the machine and engaging a bolt in one row of bolts for holding said bolts projected into the ways.

2. In a bottle vending machine spaced guides defining ways along which move the bottles stored in the machine, spaced rows of abutting bolts carried by the guides for movement transversely thereof and projection into the ways to define stops between which must pass the bottles as they are extracted from the machine, means carried by the machine adjacent opposite ends of the rows of.

bolts and operatively engaging the endmost bolts in the rows of bolts for holding projected the bolts in one row of bolts during the passage of a bottle between adjacent bolts in the opposite row of bolts, and a locking bar adjacent one end of one row of bolts normally engaging the endmost bolt in said row of bolts and holding projected into the ways the bolts in said row of bolts, said bar being connected to said machine for movement todisengage it from the end-most bolt in said row of bolts and permit adjacent bolts in the respective ways to move from the projected position to a retracted position responsive to the withdrawal of a bottleneck therebetween.

3. In a bottle vending machine spaced guides defining ways along which move the bottles stored in the machine, spaced rows of abutting bolts carried by the guides for movement transversely thereof and projection into the ways to define stops between which must pass the bottles. as they are extracted from the machine, rock arms pivotally carried by the machine adjacent opposite ends of the rows of bolts and operatively engaging the endmost bolts in the rows of bolts for holding projected into the ways the bolts in one row of bolts during the passage of a bottle between adjacent bolts in the other rows of bolts, and releasable means carried by the machine and engaging one endmost bolt in a row of bolts for holding projected into the ways said rows of bolts.

4. In a bottle vending machine spaced guides defining ways along which move the bottles stored in the machine, spaced rows of abutting bolts carried by the guides for movement transversely thereof and projection into the Ways to define stops between which must pass the bottles as they are extracted from the machine, rock arms pivotally carried by the machine adjacent opposite ends of the rows of bolts and operatively engaging the endmost bolts in the rows of bolts for holding projected into the ways the bolts in one row of bolts during the passage of a bottle between adjacent bolts in the other row of bolts,

and a locking bar adjacent one end of one row of bolts normally engaging the end-most bolt in said row of bolts and holding projected into the ways the'bolts in said row of bolts, said bar being connected to said machine for movement to disengage it from the end-most bolt in said row of bolts and permit adjacent bolts in the respective ways to move from the projected position to a retracted position responsive to the withdrawal of a bottle neck therebetween.

5. In a bottle vending machine vertically spaced banks of horizontally spaced guides defining ways along which move bottles stored in the machine, horizontally spaced rows of abutting bolts carried by the guides for movement transversely thereof and projection into the ways to define stops between which must pass the bottles as they are extracted from the machine, rock arms carried by the guides adjacent opposite ends of the rows of bolts for engaging the endmost bolts in adjacent rows of bolts and holding projected into the ways the bolts in one row of bolts during the passage of a bottle between adjacent bolts in the other row of bolts, releasable means carried by the machine and engaging the endmostbolts of vertically spaced rows of bolts for holding said bolts projected and blocking the ways, and bolt operated means carried by the guides and extending between vertically spaced banks of guides which upon withdrawal of a bottle from a selected Way is engaged by a bolt in the row of bolts extending across the selected way and moved thereby into locking engagement with a bolt in the other rows of bolts.

6. In a bottle vending machine vertically spaced banks of horizontally spaced guides defining ways along which move bottles stored in the machine, horizontally spaced rows of abutting bolts carried by the guides for movement transversely thereof and projection into the ways to define stops between which must pass the bottles as they are extracted from the machine, rock arms carried by the guides adjacent opposite ends of the rows of bolts for engaging the endmost bolts in adjacent rows of bolts and holding projected into the ways the bolts in one row of bolts during the passage of a bottle between adjacent bolts in the other row of bolts, releasable means carried by the machine and engaging the endmost bolts of vertically spaced rows of bolts for holding said bolts projected and blocking the ways, the bolts which are engaged by the means having openings extending vertically therethrough, and vertically aligned locking rods carried by the vertically spaced guides for longitudinal movement and projection through the openings in the bolts to lock selected rows of bolts against movement during the extraction of a bottle between the bolts in another row of bolts.

7. ,In a bottle vending machine vertically spaced banks of horizontally spaced guides defining ways along which move bottles stored in the machine, horizontally spaced rows of abutting bolts carried by the guides for movement transversely thereof and projection into the ways to define stops between which must pass the bottles as they are extracted from the machine, rock arms carried by the guides adjacent opposite ends of the rows of bolts for engaging the endmost bolts in adjacent rows of bolts and holding projected into the ways the bolts in one row of bolts during the passage of a bottle between adjacent bolts in the other row of bolts, releasable means carried by the machine and engaging the endmost bolts of vertically spaced rows of bolts for holding said bolts projected and blocking the Ways, the bolts Which are engaged by the means having openings extending vertically therethrough, vertically aligned locking rods carried by the vertically spaced guides for longitudinal movement and projection through the openings in the bolts to lock se- S lected rows of bolts against movement during the extraction of a bottle between the bolts in another row of bolts, and conical cam surfaces carried by the locking rods and projecting longitudinally therefrom adjacent opposite ends thereof for engaging a bolt and moving the rod longitudinally and into locking engagement with a bolt in a row of bolts carried by a'vertically spaced bank of guides.

8. In a bottle vending machine vertically spaced banks of horizontally spaced guides defining ways along which move bottles stored in the machine, horizontally spaced rows of abutting bolts carried by the guides for movement transversely thereof and projection into the ways to define stops between which must pass the bottles as they are extracted from the machine, rock arms carried by the guides adjacent opposite ends of the rows of bolts for engaging the endmost bolts in adjacent rows of bolts and holding projected into the Ways the bolts in one row of bolts during the passage of a bottle between adjacent bolts in the other row of bolts, releasable means carried by the machine and engaging the endmost bolts of vertically spaced rows of bolts for holding said bolts projected and blocking the ways, the bolts which are engaged by the releasable means having openings extending vertically therethrough, vertically aligned locking rods carried by the vertically spaced guides for longitudinal movement and projection through the openings in the bolts to lock selected rows of bolts against movement during the extraction of a bottle between the bolts in another row of bolts, thimbles threadedly engaged with opposite ends of the locking rods, and conical cam surfaces carried by the thimbles and projecting longitudinally there from for engagement by a bolt and movement of its respective rod longitudinally and into locking engagement with a bolt in a row of bolts carried by another bank of guides.

9. In a bottle vending machine spaced guides defining ways along which move bottles contained in the machine, parallel rows of abutting bolts carried by the guides for movement transversely thereof and projection into the ways to define stops between which must pass the bottles as they are extracted from the'machine, releasable means carried by the machine and operatively engaging a bolt in one row of bolts for holding said bolts projected into the ways, and means carried by the machine for engaging the bolts at opposite ends of the rows of bolts and holding the bolts in one row projected during the passage of a bottle between a pair of bolts in the adjacent row of bolts.

10. In a bottle vending machine spaced guides defining ways along which move bottles contained in the machine, parallel rows of abutting bolts carried by the guides for movement transversely thereof and projection into the ways to define stops between which must pass the bottles as they are extracted from the machine, releasable means carried by the machine and operatively engaging a bolt in one row of bolts for holding said bolts projected into the ways and means carried by the machine for engaging the bolts at opposite ends of the rows of bolts and holding the bolts in one row projected during the passage of a bottle between a pair of bolts in the adjacent row of bolts, and the portions of the bolts which project into the ways diminishing in width as they recede from the guides to define cam surfaces for engagement by a bottle moving through a way as it is extracted from the machine.

References Cited in the file of this patent UNITED STATES PATENTS 

